11121120120211 has 12 divisors (see below), whose sum is σ = 11813908903720. Its totient is φ = 10466826842880.

The previous prime is 11121120120197. The next prime is 11121120120217. The reversal of 11121120120211 is 11202102112111.

It is not a de Polignac number, because 11121120120211 - 2³⁵ = 11086760381843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121120120217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44578420 + ... + 44827198.

Almost surely, 2^{11121120120211} is an apocalyptic number.

11121120120211 is a deficient number, since it is larger than the sum of its proper divisors (692788783509).

11121120120211 is a wasteful number, since it uses less digits than its factorization.

11121120120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403494 (or 403477 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11121120120211 its reverse (11202102112111), we get a palindrome (22323222232322).

The spelling of 11121120120211 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty thousand, two hundred eleven".